From 16f244e9822ffca7818d202df90cd2049f5b6cf6 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Thu, 10 Dec 2009 00:11:45 +0000
Subject: Fix PR5744, a case where we were getting the pointer size instead of
 the value size.  This only manifested when memdep inprecisely returns
 clobber, which is do to a caching issue in the PR5744 testcase.  We can
 'efficiently emulate' this by using '-no-aa'

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91004 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/Transforms/GVN/crash-no-aa.ll | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 test/Transforms/GVN/crash-no-aa.ll

(limited to 'test/Transforms/GVN')

diff --git a/test/Transforms/GVN/crash-no-aa.ll b/test/Transforms/GVN/crash-no-aa.ll
new file mode 100644
index 0000000..dae65dd
--- /dev/null
+++ b/test/Transforms/GVN/crash-no-aa.ll
@@ -0,0 +1,16 @@
+; RUN: opt -no-aa -gvn -S %s
+
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v1
+28:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
+target triple = "x86_64-unknown-freebsd8.0"
+
+; PR5744
+define i32 @test1({i16, i32} *%P) {
+  %P2 = getelementptr {i16, i32} *%P, i32 0, i32 0
+  store i16 42, i16* %P2
+
+  %P3 = getelementptr {i16, i32} *%P, i32 0, i32 1
+  %V = load i32* %P3
+  ret i32 %V
+}
+
-- 
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